package Demo2;
class Student07{
    private String name;
    private int age;
    public Student07(){ }
    public Student07(String n){
        name=n;
    }
    public  Student07(String n,int a){
        name=n;
        age=a;
    }

    public void read() {
        System.out.println("我是:"+name+",年龄"+age);
    }
}
    public class Example07 {
        public static void main(String[] args) {
            Student07 stu1=new Student07("张三");
            Student07 stu2=new Student07("张三",18);
            stu1.read();
            stu2.read();
        }
    }


